package com.atguigu.gulimall.cart.controller;

import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.gulimall.cart.feign.FeignProductService;
import com.atguigu.gulimall.cart.interceptor.CartInterceptor;
import com.atguigu.gulimall.cart.service.CartService;
import com.atguigu.gulimall.cart.vo.Cart;
import com.atguigu.gulimall.cart.vo.CartItem;
import com.atguigu.gulimall.cart.vo.UserInfoTo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;
import java.math.BigDecimal;
import java.util.List;
import java.util.concurrent.ExecutionException;

@Controller
public class CartController {

    @GetMapping("/currentUserCartItems")
    @ResponseBody
    public List<CartItem> currentUserCartItems(){
        List<CartItem> list = cartService.currentUserCartItems();
        return list;
    }
    /**
     * 去购物车页面
     * cookie ： user-key:表示用户身份，一个月后过期
     * 如果第一次访问京东购物车功能，都会给一个临时用户身份：user-key
     * 浏览器以后保存，每次访问都会带上
     *
     * 登录：session有
     * 没登陆：按照cookie带来的user-key来做
     * 第一次：如果没有临时用户，创建一个临时用户
     * @return
     */
    @GetMapping("/cart.html")
    public String cartListPage(Model model) throws ExecutionException, InterruptedException {
        Cart cart = cartService.getCart();
        BigDecimal b = cart.getTotalAmount();
        model.addAttribute("cart",cart);
        return "cartList";
    }

    @Autowired
    CartService cartService;

    @Autowired
    FeignProductService feignProductService;

    @GetMapping("/addToCart.html")
    public String addToCart(@RequestParam("skuId") Long skuId,
                            @RequestParam("num") Integer num,
                            RedirectAttributes ra) throws ExecutionException, InterruptedException {
        CartItem cartItem = cartService.addToCart(skuId,num);
        ra.addAttribute("skuId",skuId);
        return "redirect:http://cart.gulimall.com/addToCartSuccess.html";
    }

    @GetMapping("/addToCartSuccess.html")
    public String addToCartSuccessPage(@RequestParam("skuId") Long skuId,
                                       Model model){
        //重定向到成功页面，再次查询购物车数据即可
        CartItem cartItem = cartService.getCartItem(skuId);
        model.addAttribute("item",cartItem);
        return "success";
    }
    @GetMapping("/checkItem")
    public String checkItem(@RequestParam("skuId") Long skuId,@RequestParam("checked") Integer checked){
        cartService.checkItem(skuId,checked);
        return "redirect:http://cart.gulimall.com/cart.html";
    }

    @GetMapping("/countItem")
    public String countItem(@RequestParam("skuId") Long skuId,@RequestParam("countNum") Integer countNum){
        cartService.countItem(skuId,countNum);
        return "redirect:http://cart.gulimall.com/cart.html";
    }

    @GetMapping("/deleteItem")
    public String deleteItem(@RequestParam("skuId") Long skuId){
        cartService.deleteItem(skuId);
        return "redirect:http://cart.gulimall.com/cart.html";
    }
}
